/** @file
  The header file of functions for configuring or getting the parameters
  relating to iSCSI.

Copyright (c) 2004 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution.  The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#ifndef _ISCSI_CONFIG_H_
#define _ISCSI_CONFIG_H_

#include "IScsiConfigNVDataStruc.h"

typedef struct _ISCSI_FORM_CALLBACK_INFO ISCSI_FORM_CALLBACK_INFO;

extern UINT8                       IScsiConfigVfrBin[];
extern UINT8                       IScsiDxeStrings[];
extern ISCSI_FORM_CALLBACK_INFO    *mCallbackInfo;


#define VAR_OFFSET(Field)    \
  ((UINT16) ((UINTN) &(((ISCSI_CONFIG_IFR_NVDATA *) 0)->Field)))

#define QUESTION_ID(Field)   \
  ((UINT16) (VAR_OFFSET (Field) + CONFIG_OPTION_OFFSET))

#define DYNAMIC_ONE_OF_VAR_OFFSET           VAR_OFFSET  (Enabled)
#define DYNAMIC_ORDERED_LIST_QUESTION_ID    QUESTION_ID (DynamicOrderedList)
#define DYNAMIC_ORDERED_LIST_VAR_OFFSET     VAR_OFFSET  (DynamicOrderedList)
#define ATTEMPT_DEL_QUESTION_ID             QUESTION_ID (DeleteAttemptList)
#define ATTEMPT_DEL_VAR_OFFSET              VAR_OFFSET  (DeleteAttemptList)
#define ATTEMPT_ADD_QUESTION_ID             QUESTION_ID (AddAttemptList)
#define ATTEMPT_ADD_VAR_OFFSET              VAR_OFFSET  (AddAttemptList)

//
// Define QuestionId and OffSet for Keywords.
//
#define ATTEMPT_MAC_ADDR_VAR_OFFSET                  VAR_OFFSET  (ISCSIMacAddr)
#define ATTEMPT_ATTEMPT_NAME_QUESTION_ID             QUESTION_ID (ISCSIAttemptName)
#define ATTEMPT_ATTEMPT_NAME_VAR_OFFSET              VAR_OFFSET  (ISCSIAttemptName)
#define ATTEMPT_BOOTENABLE_QUESTION_ID               QUESTION_ID (ISCSIBootEnableList)
#define ATTEMPT_BOOTENABLE_VAR_OFFSET                VAR_OFFSET  (ISCSIBootEnableList)
#define ATTEMPT_ADDRESS_TYPE_QUESTION_ID             QUESTION_ID (ISCSIIpAddressTypeList)
#define ATTEMPT_ADDRESS_TYPE_VAR_OFFSET              VAR_OFFSET  (ISCSIIpAddressTypeList)
#define ATTEMPT_CONNECT_RETRY_QUESTION_ID            QUESTION_ID (ISCSIConnectRetry)
#define ATTEMPT_CONNECT_RETRY_VAR_OFFSET             VAR_OFFSET  (ISCSIConnectRetry)
#define ATTEMPT_CONNECT_TIMEOUT_QUESTION_ID          QUESTION_ID (ISCSIConnectTimeout)
#define ATTEMPT_CONNECT_TIMEOUT_VAR_OFFSET           VAR_OFFSET  (ISCSIConnectTimeout)
#define ATTEMPT_ISID_QUESTION_ID                     QUESTION_ID (Keyword->ISCSIIsId)
#define ATTEMPT_ISID_VAR_OFFSET                      VAR_OFFSET  (Keyword->ISCSIIsId)
#define ATTEMPT_INITIATOR_VIA_DHCP_QUESTION_ID       QUESTION_ID (ISCSIInitiatorInfoViaDHCP)
#define ATTEMPT_INITIATOR_VIA_DHCP_VAR_OFFSET        VAR_OFFSET  (ISCSIInitiatorInfoViaDHCP)
#define ATTEMPT_INITIATOR_IP_ADDRESS_QUESTION_ID     QUESTION_ID (Keyword->ISCSIInitiatorIpAddress)
#define ATTEMPT_INITIATOR_IP_ADDRESS_VAR_OFFSET      VAR_OFFSET  (Keyword->ISCSIInitiatorIpAddress)
#define ATTEMPT_INITIATOR_NET_MASK_QUESTION_ID       QUESTION_ID (Keyword->ISCSIInitiatorNetmask)
#define ATTEMPT_INITIATOR_NET_MASK_VAR_OFFSET        VAR_OFFSET  (Keyword->ISCSIInitiatorNetmask)
#define ATTEMPT_INITIATOR_GATE_WAY_QUESTION_ID       QUESTION_ID (Keyword->ISCSIInitiatorGateway)
#define ATTEMPT_INITIATOR_GATE_WAY_VAR_OFFSET        VAR_OFFSET  (Keyword->ISCSIInitiatorGateway)
#define ATTEMPT_TARGET_VIA_DHCP_QUESTION_ID          QUESTION_ID (ISCSITargetInfoViaDHCP)
#define ATTEMPT_TARGET_VIA_DHCP_VAR_OFFSET           VAR_OFFSET  (ISCSITargetInfoViaDHCP)
#define ATTEMPT_TARGET_NAME_QUESTION_ID              QUESTION_ID (Keyword->ISCSITargetName)
#define ATTEMPT_TARGET_NAME_VAR_OFFSET               VAR_OFFSET  (Keyword->ISCSITargetName)
#define ATTEMPT_TARGET_IP_ADDRESS_QUESTION_ID        QUESTION_ID (Keyword->ISCSITargetIpAddress)
#define ATTEMPT_TARGET_IP_ADDRESS_VAR_OFFSET         VAR_OFFSET  (Keyword->ISCSITargetIpAddress)
#define ATTEMPT_TARGET_TCP_PORT_QUESTION_ID          QUESTION_ID (ISCSITargetTcpPort)
#define ATTEMPT_TARGET_TCP_PORT_VAR_OFFSET           VAR_OFFSET  (ISCSITargetTcpPort)
#define ATTEMPT_LUN_QUESTION_ID                      QUESTION_ID (Keyword->ISCSILun)
#define ATTEMPT_LUN_VAR_OFFSET                       VAR_OFFSET  (Keyword->ISCSILun)
#define ATTEMPT_AUTHENTICATION_METHOD_QUESTION_ID    QUESTION_ID (ISCSIAuthenticationMethod)
#define ATTEMPT_AUTHENTICATION_METHOD_VAR_OFFSET     VAR_OFFSET  (ISCSIAuthenticationMethod)
#define ATTEMPT_CHARTYPE_QUESTION_ID                 QUESTION_ID (ISCSIChapType)
#define ATTEMPT_CHARTYPE_VAR_OFFSET                  VAR_OFFSET  (ISCSIChapType)
#define ATTEMPT_CHAR_USER_NAME_QUESTION_ID           QUESTION_ID (Keyword->ISCSIChapUsername)
#define ATTEMPT_CHAR_USER_NAME_VAR_OFFSET            VAR_OFFSET  (Keyword->ISCSIChapUsername)
#define ATTEMPT_CHAR_SECRET_QUESTION_ID              QUESTION_ID (Keyword->ISCSIChapSecret)
#define ATTEMPT_CHAR_SECRET_VAR_OFFSET               VAR_OFFSET  (Keyword->ISCSIChapSecret)
#define ATTEMPT_CHAR_REVERSE_USER_NAME_QUESTION_ID   QUESTION_ID (Keyword->ISCSIReverseChapUsername)
#define ATTEMPT_CHAR_REVERSE_USER_NAME_VAR_OFFSET    VAR_OFFSET  (Keyword->ISCSIReverseChapUsername)
#define ATTEMPT_CHAR_REVERSE_SECRET_QUESTION_ID      QUESTION_ID (Keyword->ISCSIReverseChapSecret)
#define ATTEMPT_CHAR_REVERSE_SECRET_VAR_OFFSET       VAR_OFFSET  (Keyword->ISCSIReverseChapSecret)


#define ISCSI_INITATOR_NAME_VAR_NAME        L"I_NAME"

#define ISCSI_CONFIG_VAR_ATTR               (EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE)

#define ISCSI_FORM_CALLBACK_INFO_SIGNATURE  SIGNATURE_32 ('I', 'f', 'c', 'i')

#define ISCSI_FORM_CALLBACK_INFO_FROM_FORM_CALLBACK(Callback) \
  CR ( \
  Callback, \
  ISCSI_FORM_CALLBACK_INFO, \
  ConfigAccess, \
  ISCSI_FORM_CALLBACK_INFO_SIGNATURE \
  )

#pragma pack(1)
struct _ISCSI_ATTEMPT_CONFIG_NVDATA {
  LIST_ENTRY                       Link;
  UINT8                            NicIndex;
  UINT8                            AttemptConfigIndex;
  BOOLEAN                          DhcpSuccess;
  BOOLEAN                          ValidiBFTPath;
  BOOLEAN                          ValidPath;
  UINT8                            AutoConfigureMode;
  EFI_STRING_ID                    AttemptTitleToken;
  EFI_STRING_ID                    AttemptTitleHelpToken;
  CHAR8                            AttemptName[ATTEMPT_NAME_SIZE];
  CHAR8                            MacString[ISCSI_MAX_MAC_STRING_LEN];
  EFI_IP_ADDRESS                   PrimaryDns;
  EFI_IP_ADDRESS                   SecondaryDns;
  EFI_IP_ADDRESS                   DhcpServer;
  ISCSI_SESSION_CONFIG_NVDATA      SessionConfigData;
  UINT8                            AuthenticationType;
  union {
    ISCSI_CHAP_AUTH_CONFIG_NVDATA  CHAP;
  } AuthConfigData;
  BOOLEAN                          AutoConfigureSuccess;
  UINT8                            Actived;
};

///
/// HII specific Vendor Device Path definition.
///
typedef struct {
  VENDOR_DEVICE_PATH               VendorDevicePath;
  EFI_DEVICE_PATH_PROTOCOL         End;
} HII_VENDOR_DEVICE_PATH;

#pragma pack()

struct _ISCSI_FORM_CALLBACK_INFO {
  UINT32                           Signature;
  EFI_HANDLE                       DriverHandle;
  EFI_HII_CONFIG_ACCESS_PROTOCOL   ConfigAccess;
  UINT16                           *KeyList;
  VOID                             *FormBuffer;
  EFI_HII_HANDLE                   RegisteredHandle;
  ISCSI_ATTEMPT_CONFIG_NVDATA      *Current;
};

/**
  Create Hii Extend Label OpCode as the start opcode and end opcode. It is
  a help function.

  @param[in]  StartLabelNumber   The number of start label.
  @param[out] StartOpCodeHandle  Points to the start opcode handle.
  @param[out] StartLabel         Points to the created start opcode.
  @param[out] EndOpCodeHandle    Points to the end opcode handle.
  @param[out] EndLabel           Points to the created end opcode.

  @retval EFI_OUT_OF_RESOURCES   Do not have sufficient resource to finish this
                                 operation.
  @retval EFI_INVALID_PARAMETER  Any input parameter is invalid.
  @retval EFI_SUCCESS            The operation is completed successfully.

**/
EFI_STATUS
IScsiCreateOpCode (
  IN  UINT16                        StartLabelNumber,
  OUT VOID                          **StartOpCodeHandle,
  OUT EFI_IFR_GUID_LABEL            **StartLabel,
  OUT VOID                          **EndOpCodeHandle,
  OUT EFI_IFR_GUID_LABEL            **EndLabel
  );

/**
  Initialize the iSCSI configuration form.

  @param[in]  DriverBindingHandle The iSCSI driverbinding handle.

  @retval EFI_SUCCESS             The iSCSI configuration form is initialized.
  @retval EFI_OUT_OF_RESOURCES    Failed to allocate memory.

**/
EFI_STATUS
IScsiConfigFormInit (
  IN EFI_HANDLE  DriverBindingHandle
  );

/**
  Unload the iSCSI configuration form, this includes: delete all the iSCSI
  configuration entries, uninstall the form callback protocol, and
  free the resources used.

  @param[in]  DriverBindingHandle The iSCSI driverbinding handle.

  @retval EFI_SUCCESS             The iSCSI configuration form is unloaded.
  @retval Others                  Failed to unload the form.

**/
EFI_STATUS
IScsiConfigFormUnload (
  IN EFI_HANDLE  DriverBindingHandle
  );

/**
  Update the MAIN form to display the configured attempts.

**/
VOID
IScsiConfigUpdateAttempt (
  VOID
  );

/**
  Get the attempt config data from global structure by the ConfigIndex.

  @param[in]  AttemptConfigIndex     The unique index indicates the attempt.

  @return       Pointer to the attempt config data.
  @retval NULL  The attempt configuration data can not be found.

**/
ISCSI_ATTEMPT_CONFIG_NVDATA *
IScsiConfigGetAttemptByConfigIndex (
  IN UINT8                     AttemptConfigIndex
  );

#endif
